section, article, nav, footer, header { 
    display : block;
}
body {
    
    /*
    background: rgba(0,0,0,0.4);
    */
    background: #3399FF;
    font-family: Arial;
    margin: 0 auto;
    width: 60%;
}
section {
    background: rgba(255,255,255,0.5);
    margin-top: 10px;
    padding: 10px 5px;
    width: 100%;
    height: auto;
}
header, footer{
    background: rgba(51, 51, 51,1);
    border: 1px solid #fff;
    border-radius: 4px;
    color: #fff;
    font-size: 13px;
    margin: 0 auto;
    margin-top: 10px;	
    width: 100%;
    padding: 10px 5px;
    text-align: center;
}
.text{
    font-size: 10px;
    font-family: Verdana, Arial;
    list-style-type: none;
}
.isa_info, .isa_success, .isa_warning, .isa_error {
    border: 1px solid;
    margin: 10px 0px;
    padding:15px 10px;
    border-radius:.5em;
    width:220px;
    height:34px;
    position:fixed;
    right:5px;
    top:5px

}
.isa_info {
    color: #00529B;
    background-color: #BDE5F8;
}
.isa_success {
    color: #4F8A10;
    background-color: #DFF2BF;
}
.isa_warning {
    color: #9F6000;
    background-color: #FEEFB3;
}
.isa_error {
    color: #D8000C;
    background-color: #FFBABA;
}